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sun2002guoqing

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cliakro

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爱与雨下: 金币+1 2012-09-30 17:48:02
Carena: 金币+5, 翻译EPI+1, 代发金币,感谢应助 2012-11-26 14:53:17
将2-Mercaptobenzothiazole 50g (0.3mmol) 溶解于 Sodium hydroxide13g(0.325mmol),水300ml。将表面(外面)冷却,放置于8-15℃下的10%Hydrogen peroxide204g(0.3mmol)在60分钟内滴下。然后得到淡黄色的benzothiazole-2-sulfinic acid  Sodium 水溶液571g。纯度为11.2%,实际量(相对于理论)为96.6%。
太模糊。
2楼2012-09-27 22:49:04
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